Jochen Helm

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BACKGROUND Intracranial dural arteriovenous malformations draining into the perimedullary venous system are rare lesions. In these cases, the selective spinal catheterization of all vessels with potential of causing that malformation was negative, and additional cerebral angiography usually reveals the fistula. Because of venous congestion of the cord(More)
OBJECTIVE To evaluate the value of CSF outflow resistance testing as a criterion for endscopic treatment in case of communicating hydrocephalus. METHODS 12 patients with communicating hydrocephalus were integrated in a prospective study from 1999 - 2001. Under the assumption of different hydromechanical properties of both spinal and cerebral CSF(More)
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